Nostra
recommended: challenge
Operated by Nostra
seo crawler
Nostra accelerates site speed for managed web platforms
How to identify it
User-agent contains any of:
nostra
robots.txt
Well-behaved crawlers honor robots.txt. To control Nostra:
Allow full access
User-agent: nostra
Allow: /Block entirely
User-agent: nostra
Disallow: /
Grey-area scrapers ignore robots.txt. Botscope enforces your policy at the edge or origin regardless —
see how →
See Nostra on your own site
Botscope shows every bot and AI agent hitting your site — and lets you allow, challenge, or block each one. Observe first, enforce when you're ready.
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